3v4l.org

run code in 500+ PHP versions simultaneously
<?php $ids = []; session_name("session1"); session_id('1'); session_start(); $ids[session_id()] = session_name(); session_write_close(); session_name("session2"); session_id('2'); session_start(); $ids[session_id()] = session_name(); print_r($ids);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.30.0100.00719.53
8.5.20.0100.01019.57
8.5.10.0130.00816.77
8.5.00.0120.00819.77
8.4.180.0150.00722.12
8.4.170.0100.01123.81
8.4.160.0070.01724.07
8.4.150.0090.00316.82
8.4.140.0100.01217.41
8.4.130.0130.00717.63
8.4.120.0140.00622.21
8.4.110.0140.00722.27
8.4.100.0130.00917.56
8.4.90.0140.00817.58
8.4.80.0110.00917.57
8.4.70.0080.01117.98
8.4.60.0100.01118.96
8.4.50.0120.00419.27
8.4.40.0030.01617.74
8.4.30.0090.01220.60
8.4.20.0130.00719.38
8.4.10.0100.00019.11
8.3.300.0150.00520.93
8.3.290.0150.00620.98
8.3.280.0130.00618.45
8.3.270.0110.00916.67
8.3.260.0120.00716.34
8.3.250.0110.00818.76
8.3.240.0090.00916.66
8.3.230.0030.00616.58
8.3.220.0080.00917.30
8.3.210.0110.01116.44
8.3.200.0110.00816.54
8.3.190.0100.00817.29
8.3.180.0100.01016.35
8.3.170.0040.01516.73
8.3.160.0070.01116.41
8.3.150.0140.00417.01
8.3.140.0060.00317.04
8.3.130.0150.00018.39
8.3.120.0060.00919.05
8.3.110.0060.00316.53
8.3.100.0030.00618.03
8.3.90.0000.00826.77
8.3.80.0030.00619.36
8.3.70.0230.00016.63
8.3.60.0130.01016.63
8.3.50.0070.01318.11
8.3.40.0090.00618.54
8.3.30.0040.01118.51
8.3.20.0070.00024.18
8.3.10.0070.00324.66
8.3.00.0050.00326.16
8.2.300.0130.00818.84
8.2.290.0160.00520.50
8.2.280.0050.00318.47
8.2.270.0040.00416.81
8.2.260.0140.00418.99
8.2.250.0000.00816.81
8.2.240.0060.00917.01
8.2.230.0060.00320.94
8.2.220.0050.00324.06
8.2.210.0040.01126.77
8.2.200.0060.00318.88
8.2.190.0040.01118.39
8.2.180.0070.01425.92
8.2.170.0120.00918.77
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0040.00426.35
8.2.110.0030.00720.65
8.2.100.0080.00417.84
8.2.90.0060.00317.63
8.2.80.0040.00418.73
8.2.70.0000.00917.63
8.2.60.0030.00517.50
8.2.50.0000.00918.05
8.2.40.0040.00418.22
8.2.30.0040.00418.06
8.2.20.0000.00718.20
8.2.10.0030.00521.01
8.2.00.0000.00719.18
8.1.340.0100.01021.75
8.1.330.0110.00921.96
8.1.320.0070.00816.24
8.1.310.0060.00316.70
8.1.300.0090.00619.78
8.1.290.0060.00330.84
8.1.280.0080.00825.92
8.1.270.0030.00622.07
8.1.260.0040.00428.09
8.1.250.0000.00728.09
8.1.240.0030.00919.13
8.1.230.0070.00420.95
8.1.220.0000.00918.66
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0100.00017.36
8.1.180.0060.00318.10
8.1.170.0040.00418.57
8.1.160.0040.00419.15
8.1.150.0000.00718.83
8.1.140.0040.00418.89
8.1.130.0050.00319.12
8.1.120.0040.00417.46
8.1.110.0000.00817.32
8.1.100.0040.00417.49
8.1.90.0000.00717.41
8.1.80.0050.00217.30
8.1.70.0050.00317.42
8.1.60.0030.00617.43
8.1.50.0040.00417.38
8.1.40.0000.00717.48
8.1.30.0390.00717.64
8.1.20.0000.00817.58
8.1.10.0050.00517.43
8.1.00.0060.00317.43
8.0.300.0060.00318.77
8.0.290.0030.00516.58
8.0.280.0000.00718.37
8.0.270.0050.00217.93
8.0.260.0030.00316.74
8.0.250.0030.00316.88
8.0.240.0030.00516.80
8.0.230.0000.00716.98
8.0.220.0030.00316.87
8.0.210.0070.00016.91
8.0.200.0030.00316.82
8.0.190.0000.00816.89
8.0.180.0000.00716.76
8.0.170.0030.00616.87
8.0.160.0000.00716.82
8.0.150.0040.00416.82
8.0.140.0100.00016.80
8.0.130.0030.00313.29
8.0.120.0040.00416.79
8.0.110.0030.00316.86
8.0.100.0040.00416.86
8.0.90.0000.00716.91
8.0.80.0090.00916.85
8.0.70.0040.00416.91
8.0.60.0070.00016.84
8.0.50.0000.00716.64
8.0.30.0080.00816.82
8.0.20.0080.00816.86
8.0.10.0080.01116.96
8.0.00.0030.01716.93
7.4.330.0050.00015.55
7.4.320.0000.00616.40
7.4.300.0060.00016.51
7.4.290.0040.00416.50
7.4.280.0070.00016.58
7.4.270.0030.00316.48
7.4.260.0070.00013.14
7.4.250.0040.00416.28
7.4.240.0040.00416.54
7.4.230.0030.00516.57
7.4.220.0040.00416.42
7.4.210.0110.00516.46
7.4.200.0000.00716.66
7.4.160.0030.01616.59
7.4.150.0060.01316.46
7.4.140.0130.00616.43
7.4.130.0030.01216.42
7.4.120.0100.01016.51
7.4.110.0130.01016.32
7.4.100.0060.01416.63
7.4.90.0060.01616.57
7.4.80.0110.00816.42
7.4.70.0090.00616.52
7.4.60.0150.00616.37
7.4.50.0130.00316.31
7.4.40.0070.01316.52
7.4.30.0070.01416.37
7.4.20.0100.00716.45
7.4.10.0040.01116.36
7.4.00.0100.00616.55
7.3.330.0000.00716.34
7.3.320.0050.00013.09
7.3.310.0020.00516.29
7.3.300.0030.00316.13
7.3.290.0100.00916.21
7.3.270.0040.01516.19
7.3.260.0110.00716.27
7.3.250.0060.01316.21
7.3.240.0030.01616.27
7.3.230.0000.01916.21
7.3.220.0110.01116.13
7.3.210.0130.00716.14
7.3.200.0090.00616.11
7.3.190.0130.00716.12
7.3.180.0100.00716.16
7.3.170.0030.01216.19
7.3.160.0050.01716.11
7.3.150.0040.01116.19
7.3.140.0110.01116.32
7.3.130.0100.00316.13
7.3.120.0150.00316.18
7.3.110.0130.00616.11
7.3.100.0070.01016.09
7.3.90.0150.00316.37
7.3.80.0090.00916.16
7.3.70.0070.01016.26
7.3.60.0070.01016.30
7.3.50.0090.00916.38
7.3.40.0110.00616.37
7.3.30.0060.01716.34
7.3.20.1890.01316.44
7.3.10.0100.00816.21
7.3.00.0060.01216.24

preferences:
46.02 ms | 1369 KiB | 5 Q